Hardhead

Part of speech: noun (n.)

1. Clash or collision of heads in contest. Dryden.

2. The menhaden. See Menhaden. [Local, U.S.]

3. Block's gurnard (Trigla gurnardus) of Europe.

4. A California salmon; the steelhead.

5. The gray whale. See Gray whale, under Gray.

6. A coarse American commercial sponge (Spongia dura).